/* ─────────────────────────────────────────────────────────────────────────────
   The Real Dev Shop — Reusable UI Components
   Buttons, cards, badges, forms, alerts, stars, modals, toasts
───────────────────────────────────────────────────────────────────────────── */

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  padding: 13px 24px;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
}
.btn:focus-visible {
  outline: 2px solid var(--blue-600);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--blue-600);
  color: white;
  border-color: var(--blue-600);
}
.btn-primary:hover {
  background: var(--blue-700);
  border-color: var(--blue-700);
  color: white;
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--blue-600);
  border-color: var(--blue-600);
}
.btn-outline:hover {
  background: var(--blue-50);
  color: var(--blue-700);
  border-color: var(--blue-700);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: var(--grey-100);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.btn-dark {
  background: var(--grey-900);
  color: white;
  border-color: var(--grey-900);
}
.btn-dark:hover { background: var(--grey-800); border-color: var(--grey-800); color: white; }

.btn-success { background: var(--success); color: white; border-color: var(--success); }
.btn-success:hover { background: #0EA572; border-color: #0EA572; color: white; }

.btn-danger { background: var(--danger); color: white; border-color: var(--danger); }
.btn-danger:hover { background: #DC2626; border-color: #DC2626; color: white; }

/* Sizes */
.btn-sm { font-size: 0.8125rem; padding: 8px 16px; }
.btn-lg { font-size: 1rem; padding: 16px 32px; }
.btn-xl { font-size: 1.0625rem; padding: 18px 36px; border-radius: var(--radius-md); }

.btn-icon { padding: 10px; width: 40px; height: 40px; }
.btn-icon.btn-sm { padding: 7px; width: 32px; height: 32px; }

.btn-full { width: 100%; }

.btn:disabled, .btn[disabled] {
  opacity: 0.5;
  pointer-events: none;
}

/* Hides the label (and any currentColor icon) without removing it, so the button
   keeps its exact width/height while loading. Never clear a button's innerHTML
   to show this state — that collapses it and it visibly snaps back on restore. */
.btn-loading {
  position: relative;
  pointer-events: none;
  color: transparent !important;
}
.btn-loading::after {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  width: 16px;
  height: 16px;
  /* `color` is forced transparent above, so currentColor here would paint an
     invisible ring. The spinner needs its own colour. */
  border: 2px solid var(--btn-spinner, rgba(17, 24, 39, 0.35));
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
/* Filled variants have white labels — the ring must be light to be visible. */
.btn-primary.btn-loading,
.btn-dark.btn-loading,
.btn-success.btn-loading,
.btn-danger.btn-loading { --btn-spinner: rgba(255, 255, 255, 0.65); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Badges ─────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1;
  padding: 4px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-blue    { background: var(--blue-100);  color: var(--blue-700); }
.badge-green   { background: var(--success-bg); color: #065F46; }
.badge-yellow  { background: var(--warning-bg); color: #92400E; }
.badge-red     { background: var(--danger-bg);  color: #991B1B; }
.badge-grey    { background: var(--grey-100);   color: var(--grey-600); }
.badge-dark    { background: var(--grey-900);   color: white; }
/* Semantic aliases — used for status pills (payouts, orders): paid/completed →
   success, pending/processing → warning, failed → danger. */
.badge-success { background: var(--success-bg); color: #065F46; }
.badge-warning { background: var(--warning-bg); color: #92400E; }
.badge-danger  { background: var(--danger-bg);  color: #991B1B; }
.badge-info    { background: var(--blue-100);   color: var(--blue-700); }

/* ─── Cards ──────────────────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--duration-md) var(--ease), border-color var(--duration-md) var(--ease), transform var(--duration-md) var(--ease);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.card-body { padding: var(--space-5); }
.card-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border);
  background: var(--grey-50);
}

/* ─── Product Card ───────────────────────────────────────────────────────── */
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--duration-md) var(--ease);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  border-color: var(--blue-200);
  box-shadow: 0 8px 24px rgb(37 99 235 / 0.1);
  transform: translateY(-3px);
}

.product-card-img-wrap {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--grey-100);
}
.product-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms var(--ease);
}
.product-card:hover .product-card-img-wrap img { transform: scale(1.04); }

.product-card-wishlist {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--grey-400);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--duration) var(--ease), color var(--duration) var(--ease), transform var(--duration) var(--ease);
}
.product-card:hover .product-card-wishlist { opacity: 1; }
.product-card-wishlist:hover { color: var(--danger); transform: scale(1.1); }
.product-card-wishlist.active { color: var(--danger); opacity: 1; }

.product-card-body {
  padding: var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card-category {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--blue-600);
  margin-bottom: var(--space-1);
}

.product-card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: var(--space-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-seller {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.product-card-seller img {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  flex-shrink: 0;
}

.product-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.product-card-price {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}
.product-card-price--free { color: var(--success); }
.product-card-price-original {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: line-through;
  font-weight: 400;
}

.product-card-stars {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 0.75rem;
  color: var(--warning);
}
.product-card-stars .count { color: var(--text-muted); }

/* ─── Star Rating ────────────────────────────────────────────────────────── */
.stars {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: var(--warning);
}
.stars svg { flex-shrink: 0; }

/* ─── Forms ──────────────────────────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.form-group:last-child { margin-bottom: 0; }

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}
.form-label-hint {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: var(--space-2);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
  font-family: inherit;
  line-height: 1.5;
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:focus {
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}
.form-control.error { border-color: var(--danger); }
.form-control.error:focus { box-shadow: 0 0 0 3px rgb(239 68 68 / 0.1); }

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.form-error {
  font-size: 0.8rem;
  color: var(--danger);
  font-weight: 500;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

textarea.form-control { resize: vertical; min-height: 100px; }

.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--blue-600);
  cursor: pointer;
}
.form-check-label { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; }

/* ─── Alerts ─────────────────────────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius);
  font-size: 0.9rem;
  border: 1px solid transparent;
}
.alert-info    { background: var(--blue-50);     color: var(--blue-700);  border-color: var(--blue-200); }
.alert-success { background: var(--success-bg);  color: #065F46;          border-color: #6EE7B7; }
.alert-warning { background: var(--warning-bg);  color: #92400E;          border-color: #FCD34D; }
.alert-danger  { background: var(--danger-bg);   color: #991B1B;          border-color: #FCA5A5; }

/* ─── Toast Notifications ───────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  z-index: 10000;
  pointer-events: none;
  width: 360px;
}

.toast {
  background: var(--white);
  color: var(--text-primary);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12), 0 1px 4px rgba(0,0,0,0.06);
  border: 1px solid var(--border);
  border-left: 4px solid var(--blue-600);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  pointer-events: auto;
  animation: toast-in 280ms var(--ease) forwards;
}
.toast--success { border-left-color: var(--success); }
.toast--error   { border-left-color: var(--danger); }
.toast--warning { border-left-color: var(--warning); }

.toast-title { font-size: 0.875rem; font-weight: 700; color: var(--text-primary); margin-bottom: 2px; }
.toast-msg   { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.4; }

.toast-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
}
.toast-close:hover { color: var(--text-primary); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-10px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to   { opacity: 0; transform: translateY(-8px) scale(0.97); }
}

/* ─── Dividers ───────────────────────────────────────────────────────────── */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ─── Skeleton Loader ────────────────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--grey-100) 25%, var(--grey-200) 50%, var(--grey-100) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius);
}
@keyframes skeleton-shimmer { to { background-position: -200% 0; } }

/* ─── Empty State ────────────────────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-16) var(--space-8);
  color: var(--text-muted);
}
.empty-state-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-5);
  opacity: 0.4;
}
.empty-state h3 { color: var(--text-secondary); font-size: 1.125rem; margin-bottom: var(--space-2); }
.empty-state p { font-size: 0.9rem; max-width: 360px; }
.empty-state .btn { margin-top: var(--space-5); }

/* ─── Pagination ─────────────────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-10);
}
.pagination-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-3);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--white);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  text-decoration: none;
}
.pagination-btn:hover { border-color: var(--blue-600); color: var(--blue-600); }
.pagination-btn.active {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: white;
}
.pagination-btn:disabled { opacity: 0.4; pointer-events: none; }

/* ─── Modal ──────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(2px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-md) var(--ease);
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(10px) scale(0.98);
  transition: transform var(--duration-md) var(--ease);
}
.modal-overlay.open .modal { transform: translateY(0) scale(1); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 1.125rem; font-weight: 700; }
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius);
  transition: color var(--duration) var(--ease), background var(--duration) var(--ease);
}
.modal-close:hover { color: var(--text-primary); background: var(--grey-100); }
.modal-body { padding: var(--space-6); }
.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* ─── Price Tag ──────────────────────────────────────────────────────────── */
.price-tag { font-size: 1.5rem; font-weight: 800; color: var(--text-primary); }
.price-tag--free { color: var(--success); }
.price-original { font-size: 0.9rem; color: var(--text-muted); text-decoration: line-through; margin-left: var(--space-2); }
.price-discount {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  background: var(--danger);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  margin-left: var(--space-2);
}

/* ─── Confirm Dialog (custom confirm() replacement, see app.js) ──────────── */
.tds-confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 5000;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  transition: opacity 160ms var(--ease);
}
.tds-confirm-overlay.open { opacity: 1; }
.tds-confirm {
  background: var(--white);
  border-radius: 16px;
  width: 420px;
  max-width: 92vw;
  padding: var(--space-7) var(--space-7) var(--space-6);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  text-align: center;
  transform: translateY(8px) scale(0.98);
  transition: transform 160ms var(--ease);
}
.tds-confirm-overlay.open .tds-confirm { transform: none; }
.tds-confirm-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #DBEAFE;
  color: #2563EB;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}
.tds-confirm-icon.danger { background: #FEE2E2; color: #DC2626; }
.tds-confirm-title { font-size: 1.05rem; font-weight: 800; color: var(--text-primary); margin-bottom: var(--space-2); }
.tds-confirm-msg { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: var(--space-5); }
.tds-confirm-actions { display: flex; gap: var(--space-3); justify-content: center; }
.tds-confirm-actions .btn { min-width: 110px; justify-content: center; }

/* ─── Custom Select (native <select> replacement, see app.js) ────────────── */
.tds-select { position: relative; display: inline-block; min-width: 160px; }
.tds-select-native {
  position: absolute !important;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
  margin: 0; padding: 0; border: 0;
}
.tds-select-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  font: inherit;
  font-size: 0.9rem;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.tds-select-btn:hover { border-color: var(--grey-300, #d1d5db); }
.tds-select-btn:focus { outline: none; border-color: var(--blue-600); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12); }
.tds-select-caret { color: var(--text-muted); flex-shrink: 0; transition: transform 160ms var(--ease); }
.tds-select.open .tds-select-caret { transform: rotate(180deg); }
.tds-select-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 4000;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
  padding: 6px;
  max-height: 260px;
  overflow-y: auto;
  display: none;
}
.tds-select.open .tds-select-menu { display: block; animation: tds-select-in 120ms var(--ease); }
@keyframes tds-select-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.tds-select-option {
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
}
.tds-select-option:hover, .tds-select-option.active { background: var(--grey-50); color: var(--text-primary); }
.tds-select-option.selected { color: var(--blue-600); font-weight: 600; background: rgba(37, 99, 235, 0.06); }

/* ─── Strip native browser chrome from inputs ────────────────────────────── */
/* Search boxes: remove the built-in clear button / decorations */
input[type="search"] { -webkit-appearance: none; appearance: none; }
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration { -webkit-appearance: none; display: none; }
/* Number inputs: remove the native spinner arrows */
input[type="number"] { -moz-appearance: textfield; appearance: textfield; }
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  #toast-container { left: var(--space-4); right: var(--space-4); width: auto; }
  .modal { border-radius: var(--radius-md); }
}

/* ─── Sale flag (time-limited pricing) ───────────────────────────────────── */
/* Colorful, attention-grabbing, no neon: warm amber→red gradient, solid
   shadow, no glow. Used top-left on product cards and the product gallery. */
.sale-flag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, #F59E0B 0%, #EF4444 55%, #DC2626 100%);
  color: #fff;
  border-radius: 999px;
  padding: 4px 11px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 2px 10px rgb(220 38 38 / 0.35);
  pointer-events: none;
  white-space: nowrap;
}